AirHint found the following cheapest return flights from London (LON) to Kathmandu (KTM) in March 2026 (see full year).

Return flights

06 Mar - 21 Mar	Pegasus Airlines
08 Mar - 19 Mar	Ryanair
10 Mar - 24 Mar	Pegasus Airlines
11 Mar - 25 Mar	AJet
01 Mar - 13 Mar	Ryanair
10 Mar - 17 Mar	Wizz Air UK
06 Mar - 27 Mar	Ryanair
09 Mar - 23 Mar	Ryanair
04 Mar - 20 Mar	AJet
17 Mar - 24 Mar	Ryanair
08 Mar - 12 Apr	Fly One
27 Mar - 12 Apr	Wizz Air UK
30 Mar - 22 Apr	Wizz Air UK
27 Mar - 11 Apr	Wizz Air UK
26 Mar - 04 Apr	Wizz Air Malta
23 Mar - 10 Apr	Wizz Air UK
21 Mar - 03 Apr	Fly One
02 Mar - 02 Apr	Wizz Air UK
20 Mar - 18 Apr	Wizz Air UK
22 Mar - 13 Apr	Fly One

Also check the deals for one-way flights from London to Kathmandu in March.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Kathmandu in March from 531€

Return flights